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Finding the Fourth Proportional to 574,379.02, 792,732.18 and 345,063.97

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Solution

The fourth proportional to 574,379.02, 792,732.18 and 345,063.97 is: 476,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,379.02 : 792,732.18 = 345,063.97 : x
  2. Step 2: Convert to fraction form
    574,379.02/792,732.18 = 345,063.97/x
  3. Step 3: Cross multiply
    574,379.02x = 792,732.18 × 345,063.97
  4. Step 4: Simplify right side
    574,379.02x = 273,543,313,177.56
  5. Step 5: Solve for x
    x = 273,543,313,177.56/574,379.02
  6. Step 6: Final answer
    x = 476,241.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.